An allocated amount. / That which is divided off or separated, as a part from a whole; a separated part of anything. / One's fate; lot.

(transitive) To divide into amounts, as for allocation to specific purposes. / (transitive) To endow with a portion or inheritance.

plural of portion

A person who receives a portion or share of something / (Scotland) The proprietor of a small portion of a larger piece of land; a laird of a small estate

plural of portioner

simple past tense and past participle of portion

present participle of portion

Capable of being divided into portions.

A measured amount (volume) of a sample being used in a test.

(transitive) To distribute in portions or shares; to apportion or allot.